| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-9,0)) | |
| r=w0.sketch().arc((-47,33),(-17,21),(-31,50)).arc((-36,39),(-47,33)).assemble().reset().face(w0.sketch().segment((16,-19),(27,-30)).arc((27,-37),(34,-38)).segment((45,-50)).segment((47,-48)).segment((36,-36)).arc((36,-30),(29,-28)).segment((19,-17)).close().assemble()).finalize().extrude(18) |